code: def get_previous_param(self, param_id: int) -> dict:
      return self.recovered_trial_params[param_id]
  
file_path: nni/nni/recoverable.py
imports: from __future__ import annotations
  import os
  import nni
label_desc: Use image node_id 7 for calling the Recoverable obj's underlying member method code with example usage: obj.get_previous_param(param_id) and returns: self